Abstract
We study characteristic convection patterns emerging during the mass transfer of acetic acid from a glycerol-water layer to a superposed acetone layer by means of experiments and numerical simulations. The patterns form as a result of the stationary Marangoni instability. The initial phase of the pattern evolution is studied using high-resolution simulations. They show hierarchically ordered cellular structures which closely resemble experimental observations. In the later stages presently accessible to the experiments, the cells are locally replaced by relaxation oscillation waves. The emergence of these structures is favored when the experiment is performed in narrow cuvettes.
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Schwarzenberger, K., Köllner, T., Linde, H. et al. On the transition from cellular to wavelike patterns during solutal Marangoni convection. Eur. Phys. J. Spec. Top. 219, 121–130 (2013). https://doi.org/10.1140/epjst/e2013-01787-1
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DOI: https://doi.org/10.1140/epjst/e2013-01787-1